1. Department of Pharmacy, Qinghai Provincial People's Hospital, Xining, Qinghai, China
2. Department of Orthopaedics, Qinghai Provincial People's Hospital, Xining, Qinghai, China
3. Ganbao Section, Qinghai Provincial People's Hospital, Xining, Qinghai, China
4. College of Pharmacy, Qinghai Nationalities University, Xining, Qinghai, China